mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-05 01:10:05 +00:00
209 lines
7.0 KiB
C++
209 lines
7.0 KiB
C++
//
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// Copyright (C) Pixar. All rights reserved.
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//
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// This license governs use of the accompanying software. If you
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// use the software, you accept this license. If you do not accept
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// the license, do not use the software.
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//
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// 1. Definitions
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// The terms "reproduce," "reproduction," "derivative works," and
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// "distribution" have the same meaning here as under U.S.
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// copyright law. A "contribution" is the original software, or
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// any additions or changes to the software.
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// A "contributor" is any person or entity that distributes its
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// contribution under this license.
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// "Licensed patents" are a contributor's patent claims that read
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// directly on its contribution.
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//
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// 2. Grant of Rights
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// (A) Copyright Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free copyright license to reproduce its contribution,
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// prepare derivative works of its contribution, and distribute
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// its contribution or any derivative works that you create.
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// (B) Patent Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free license under its licensed patents to make, have
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// made, use, sell, offer for sale, import, and/or otherwise
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// dispose of its contribution in the software or derivative works
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// of the contribution in the software.
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//
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// 3. Conditions and Limitations
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// (A) No Trademark License- This license does not grant you
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// rights to use any contributor's name, logo, or trademarks.
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// (B) If you bring a patent claim against any contributor over
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// patents that you claim are infringed by the software, your
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// patent license from such contributor to the software ends
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// automatically.
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// (C) If you distribute any portion of the software, you must
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// retain all copyright, patent, trademark, and attribution
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// notices that are present in the software.
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// (D) If you distribute any portion of the software in source
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// code form, you may do so only under this license by including a
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// complete copy of this license with your distribution. If you
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// distribute any portion of the software in compiled or object
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// code form, you may only do so under a license that complies
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// with this license.
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// (E) The software is licensed "as-is." You bear the risk of
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// using it. The contributors give no express warranties,
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// guarantees or conditions. You may have additional consumer
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// rights under your local laws which this license cannot change.
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// To the extent permitted under your local laws, the contributors
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// exclude the implied warranties of merchantability, fitness for
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// a particular purpose and non-infringement.
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//
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#if defined( _WIN32)
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#include <windows.h>
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#endif
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#include <osdutil/adaptiveEvaluator.h>
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#include <osdutil/uniformEvaluator.h>
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#include <osdutil/topology.h>
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#include <osd/error.h>
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#include <vector>
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#include <iostream>
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#include <stdio.h>
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#ifdef OPENSUBDIV_HAS_OPENMP
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#include <omp.h>
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#endif
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using namespace OpenSubdiv;
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//------------------------------------------------------------------------------
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static bool
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uniformTessellate(char *inputFile, char *outputFile, std::string *errorMessage)
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{
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OsdUtilSubdivTopology topology;
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std::vector<float> pointPositions;
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if (not topology.ReadFromObjFile(inputFile, &pointPositions, errorMessage)) {
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return false;
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}
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topology.refinementLevel = 2;
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OsdUtilUniformEvaluator uniformEvaluator;
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// Create uniformEvaluator
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if (not uniformEvaluator.Initialize(topology, errorMessage)) {
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std::cout << "Initialize failed with " << *errorMessage << "\n";
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return false;
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}
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// Push the vertex data
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uniformEvaluator.SetCoarsePositions(pointPositions, errorMessage);
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// Refine with one thread
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if (not uniformEvaluator.Refine(1, errorMessage)) {
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std::cout << "Refine failed with " << *errorMessage << "\n";
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return false;
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}
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OsdUtilSubdivTopology refinedTopology;
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const float *positions = NULL;
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if (not uniformEvaluator.GetRefinedTopology(
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&refinedTopology, &positions, errorMessage)) {
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std::cout << "GetRefinedTopology failed with " << *errorMessage <<"\n";
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return false;
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}
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if (not refinedTopology.WriteObjFile(
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outputFile, positions, errorMessage)) {
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std::cout << errorMessage << std::endl;
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}
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return true;
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}
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static bool
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blenderStyleTessellate(char *inputFile, char *outputFile, std::string *errorMessage)
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{
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OsdUtilSubdivTopology topology;
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std::vector<float> pointPositions;
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if (not topology.ReadFromObjFile(inputFile, &pointPositions, errorMessage)) {
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return false;
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}
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topology.refinementLevel = 5;
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OsdUtilAdaptiveEvaluator adaptiveEvaluator;
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// Create adaptiveEvaluator
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if (not adaptiveEvaluator.Initialize(topology, errorMessage)) {
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std::cout << "Initialize failed with " << *errorMessage << "\n";
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return false;
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}
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// Push the vertex data
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adaptiveEvaluator.SetCoarsePositions(
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&(pointPositions[0]), (int) pointPositions.size(), errorMessage);
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// Refine with one thread
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if (not adaptiveEvaluator.Refine(1, errorMessage)) {
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std::cout << "Refine failed with " << *errorMessage << "\n";
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return false;
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}
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OsdUtilSubdivTopology refinedTopology;
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std::vector<float> positions;
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if (not adaptiveEvaluator.GetRefinedTopology(
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&refinedTopology, &positions, errorMessage)) {
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std::cout << "GetRefinedTopology failed with " << *errorMessage <<"\n";
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return false;
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}
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if (not refinedTopology.WriteObjFile(
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outputFile, &(positions[0]), errorMessage)) {
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std::cout << errorMessage << std::endl;
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}
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return true;
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}
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//------------------------------------------------------------------------------
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static void
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callbackError(OpenSubdiv::OsdErrorType err, const char *message)
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{
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printf("OsdError: %d\n", err);
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printf("%s", message);
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}
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//------------------------------------------------------------------------------
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int main(int argc, char** argv) {
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OsdSetErrorCallback(callbackError);
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std::string errorMessage;
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if ((argc == 4) and (std::string(argv[1]) == std::string("-blender"))) {
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std::cout << "About to call blender-style tessellate\n";
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if (not blenderStyleTessellate(argv[2], argv[3], &errorMessage)) {
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std::cout << "Failed with error: " << errorMessage << std::endl;
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return -1;
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}
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} else if (argc != 3) {
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std::cout << "Usage: tessellate [-blender] input.obj output.obj\n";
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return false;
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} else {
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if (not uniformTessellate(argv[1], argv[2], &errorMessage)) {
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std::cout << "Failed with error: " << errorMessage << std::endl;
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}
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}
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}
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